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RideLondon: 'Biggest ever' cycle event in London

3 August 2013 Last updated at 17:12 BST

More than 70,000 riders are taking part in a weekend of sport which is being billed as the UK's largest festival of cycling.

The 100 mile London to Surrey cycle, starting at the Olympic Park and finishing on The Mall, is set to be among the highlights, but there are two full days of professional racing and amateur rides to come.

Sarah Campbell spoke with four generations of cycling enthusiasts who are attending the festival.

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